ZHANG Daan,CHU Guozhen,ZHOU Tieying.Experimental investigations on the natural frequency of a double cylindrical velocity transformer[J].ACTA Acustica,1965,2(4):180-186.

• [2]张大安；诸国桢；周铁英.；阶梯形变幅杆固有频率的实验研究[J]